Live coverage of the countdown and launch of an H-2A rocket with the Astro-H X-ray astronomy mission. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
Mission Reports
Live coverage: Soyuz soars into space on its fourth launch attempt
After replacing a faulty inertial measurement system blamed for a scrubbed launch attempt Sunday, a Soyuz rocket headed to space from French Guiana today with five satellites, including the next spacecraft for Europe’s multibillion-dollar Earth observing network and a French experiment to probe the validity of Einstein’s theory of general relativity.
Mission Reports
Live coverage: NASA completes eight-minute Space Launch System hot fire test
NASA fired up four hydrogen-fueled main engines on the core stage of the first Space Launch System heavy-lift rocket Thursday in on a test stand in Mississippi, a redo of a crucial hot fire test that was cut short in January by technical issues. The engines burned more than eight minutes in an apparently successful test.